converting Hspice tech file to spectre tech file
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converting Hspice tech file to spectre tech file

 
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MOSripper
Guest
Posted: Fri Sep 10, 2004 2:27 pm    Post subject: converting Hspice tech file to spectre tech file Reply with quote
"You can modify standard SPICE model statements to use with SPECTRE with a
text editor. Lots of example model files can be found on the web."

May i know how i can do this

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Andrew Beckett
Guest
Posted: Fri Sep 10, 2004 9:36 pm    Post subject: Re: converting Hspice tech file to spectre tech file Reply with quote
From IC5141 spectre (with the new front end) can read SPICE models natively
quite effectively. You need to use the +csfe command line option, or the
spectre.envOpts useCsfe boolean t

option in the .cdsenv (I think that's what it is called, from memory).

Before then there is a tool called "spp" which can be used to convert the model
files.

Andrew.

On 10 Sep 2004 03:27:47 -0700, karthikreddy.a@gmail.com (MOSripper) wrote:

Quote:
"You can modify standard SPICE model statements to use with SPECTRE with a
text editor. Lots of example model files can be found on the web."

May i know how i can do this

--
Andrew Beckett
Senior Technical Leader
Custom IC Solutions
Cadence Design Systems Ltd
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MOSripper
Guest
Posted: Sun Sep 12, 2004 5:16 am    Post subject: Re: converting Hspice tech file to spectre tech file Reply with quote
The version we use in school is IC4.46......i tried the spp command at
the unix command prompt ...but no use.....so cud u please explain the
procedure to do this.....also if i wanna do layout using virtuoso wich
needs a different format of technology file altogether is it still
possible to get this from the hspice file


i appreciate ur help regarding this.



karthikreddy.a@gmail.com (MOSripper) wrote in message news:<2c2aafd8.0409100227.1415308f@posting.google.com>...
Quote:
"You can modify standard SPICE model statements to use with SPECTRE with a
text editor. Lots of example model files can be found on the web."

May i know how i can do this


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Richard Griffith
Guest
Posted: Sun Sep 12, 2004 7:48 am    Post subject: Re: converting Hspice tech file to spectre tech file Reply with quote
MOSripper wrote:
Quote:
The version we use in school is IC4.46......i tried the spp command at
the unix command prompt ...but no use.....so cud u please explain the
procedure to do this.....also if i wanna do layout using virtuoso wich
needs a different format of technology file altogether is it still
possible to get this from the hspice file

How did the spp command not work?
1) "command not found"
2) you could not get it to produce an output file
3) you could not get the simulator to look at the produced output file
4) the resulting output file did not have the correct syntax
5) other, explain

Solutions
1) set the path correctly
2,3) spp -h
4) might need some more options to spp


I suggest you talk to the professor or tech support at your school.
You are confusing many things here.

Hspice and Spectre technology files are device model names and
associated parameters which describe the mathematical behaviour of the
devices to the respective simulators. Virtuso is a 2d drawing tool.

So the answer to your second question is NO.

There is no connection at all between the simulator device model files
and the virtuoso technology files which describe visual representations
processing layers. In addition to both of these it is common to have
design library elements with simulator and layout representations. The
design library elements are not contained in either the simulator model
files or the virtuoso tech file.
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